| Silves to Mauldin (South Carolina) | 4,022.70 mi (6,473.91 km) |
| Silves to Maumee (Ohio) | 3,898.47 mi (6,273.99 km) |
| Silves to Maumelle (Arkansas) | 4,527.84 mi (7,286.86 km) |
| Silves to Mayagüez (Puerto Rico) | 3,759.51 mi (6,050.34 km) |
| Silves to Mayfield Heights (Ohio) | 3,793.76 mi (6,105.47 km) |
| Silves to Mays Chapel (Maryland) | 3,609.71 mi (5,809.26 km) |
| Silves to Maywood (California) | 5,763.38 mi (9,275.27 km) |
| Silves to Maywood (Illinois) | 4,087.99 mi (6,578.99 km) |
| Silves to McAlester (Oklahoma) | 4,690.63 mi (7,548.84 km) |
| Silves to McAllen (Texas) | 5,138.20 mi (8,269.13 km) |
| Silves to McCalla (Alabama) | 4,310.21 mi (6,936.62 km) |
| Silves to McComb (Mississippi) | 4,555.06 mi (7,330.67 km) |
| Silves to McDonough (Georgia) | 4,158.65 mi (6,692.70 km) |
| Silves to McFarland (California) | 5,731.49 mi (9,223.94 km) |
| Silves to McHenry (Illinois) | 4,095.98 mi (6,591.85 km) |
